Hello.
The answer is: Number
The pronoun must agree with its antecedent in number. Rule: A singular pronoun must replace a singularnoun; a plural pronoun must replace a plural noun. A pronoun should agree with its antecedent in person, number, and gender. Person refers to the quality of being, number distinguishes between singular and plural.
Have a nice day
What life was like under the dictatorship
In the statement above, the correct letter of choice in the options above is letter C, was an official. Tok-chae has been held as a prisoner due to the fact that in the farmer's communist league, he was an official. It wasn't because he owes money, an enemy or even plan to steal that makes him a prisoner.